Derivation of the Geometrical Phase from the Evans Phase Law of Generally Covariant Unified Field Theory |
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Authors: | Myron W. Evans |
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Affiliation: | 1. Alpha Foundation for Advanced Study, USA E-mail
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Abstract: | The phase law of generally covariant electrodynamics is used to explain straightforwardly the origin of the geometrical and Berry phase effects, exemplified by the Tomita-Chiao effect. Both effects are described by a phase factor that is constructed from the generally covariant Stokes formula of differential geometry, a phase factor in which the contour integral over the potential field A (3) is equated to the area integral over the gauge invariant field B (3), the Evans-Vigier field. The latter is the fundamental spin Casimir invariant of the Einstein group of general relativity applied to electrodynamics. General relativity as extended in the Evans unified field theory is needed for a correct understanding of all phase effects in physics, an understanding that is forged through the Evans phase law, the origin both of the Berry phase and the geometrical phase of electrodynamics observed in the Sagnac and Tomita-Chiao effects. |
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